Home / 104,002.20-143,574.48-65,795.40

Finding the Fourth Proportional to 104,002.20, 143,574.48 and 65,795.40

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Solution

The fourth proportional to 104,002.20, 143,574.48 and 65,795.40 is: 90,830.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,002.20 : 143,574.48 = 65,795.40 : x
  2. Step 2: Convert to fraction form
    104,002.20/143,574.48 = 65,795.40/x
  3. Step 3: Cross multiply
    104,002.20x = 143,574.48 × 65,795.40
  4. Step 4: Simplify right side
    104,002.20x = 9,446,540,341.39
  5. Step 5: Solve for x
    x = 9,446,540,341.39/104,002.20
  6. Step 6: Final answer
    x = 90,830.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.